题目选项分析

In an exhaustive study that explains how humans distinguish different scents, Dr. Linda Quidd asserts that the nerve lining of a mouse's nose contains roughly the same number of olfactory receptors that human noses do

In an exhaustive study that explains how humans distinguish different scents, Dr. Linda Quidd asserts that the nerve lining of a mouse's nose contains roughly the same number of olfactory receptors as that of a human's nose